# Contributor: Sören Tempel <soeren+alpine@soeren-tempel.net>
# Contributor: Eivind Uggedal <eu@eju.no>
# Contributor: Natanael Copa <ncopa@alpinelinux.org>
# Maintainer: Sören Tempel <soeren+alpine@soeren-tempel.net>
pkgname=go
# go binaries are statically linked, security updates require rebuilds
pkgver=1.22.2
pkgrel=0
pkgdesc="Go programming language compiler"
url="https://go.dev/"
arch="all"
license="BSD-3-Clause"
depends="binutils gcc musl-dev"
makedepends="bash"
checkdepends="binutils-gold git git-daemon"
subpackages="$pkgname-doc"
source="https://go.dev/dl/go$pkgver.src.tar.gz
	0001-cmd-link-prefer-musl-s-over-glibc-s-ld.so-during-dyn.patch
	0002-misc-cgo-test-enable-setgid-tests-on-Alpine-Linux-ag.patch
	0003-go.env-Don-t-switch-Go-toolchain-version-as-directed.patch
	0004-cmd-dist-cmd-go-define-assembly-macros-handle-GOARM-.patch

	tests-fchmodat-not-supported.patch
	"
case "$CARCH" in
	arm*|aarch64) depends="binutils-gold";;
	riscv64|loongarch64)
		# binutils-gold is not supported on riscv64 and loongarch64.
		checkdepends="${checkdepends/binutils-gold/}"
		;;
esac

# secfixes:
#   0:
#     - CVE-2022-41716
#     - CVE-2022-41720
#     - CVE-2022-41722
#   1.22.2-r0:
#     - CVE-2023-45288
#   1.22.1-r0:
#     - CVE-2024-24783
#     - CVE-2023-45290
#     - CVE-2023-45289
#     - CVE-2024-24785
#     - CVE-2024-24784
#   1.21.5-r0:
#     - CVE-2023-39324
#     - CVE-2023-39326
#   1.21.3-r0:
#     - CVE-2023-39325
#     - CVE-2023-44487
#   1.21.2-r0:
#     - CVE-2023-39323
#   1.21.1-r0:
#     - CVE-2023-39318
#     - CVE-2023-39319
#     - CVE-2023-39320
#     - CVE-2023-39321
#     - CVE-2023-39322
#   1.20.7-r0:
#     - CVE-2023-29409
#   1.20.6-r0:
#     - CVE-2023-29406
#   1.20.5-r0:
#     - CVE-2023-29402
#     - CVE-2023-29403
#     - CVE-2023-29404
#     - CVE-2023-29405
#   1.20.4-r0:
#     - CVE-2023-24539
#     - CVE-2023-24540
#     - CVE-2023-29400
#   1.20.3-r0:
#     - CVE-2023-24537
#     - CVE-2023-24538
#     - CVE-2023-24534
#     - CVE-2023-24536
#   1.20.2-r0:
#     - CVE-2023-24532
#   1.20.1-r0:
#     - CVE-2022-41725
#     - CVE-2022-41724
#     - CVE-2022-41723
#   1.19.4-r0:
#     - CVE-2022-41717
#   1.19.2-r0:
#     - CVE-2022-2879
#     - CVE-2022-2880
#     - CVE-2022-41715
#   1.19.1-r0:
#     - CVE-2022-27664
#     - CVE-2022-32190
#   1.18.5-r0:
#     - CVE-2022-32189
#   1.18.4-r0:
#     - CVE-2022-1705
#     - CVE-2022-1962
#     - CVE-2022-28131
#     - CVE-2022-30630
#     - CVE-2022-30631
#     - CVE-2022-30632
#     - CVE-2022-30633
#     - CVE-2022-30635
#     - CVE-2022-32148
#   1.18.1-r0:
#     - CVE-2022-28327
#     - CVE-2022-27536
#     - CVE-2022-24675
#   1.17.8-r0:
#     - CVE-2022-24921
#   1.17.7-r0:
#     - CVE-2022-23772
#     - CVE-2022-23773
#     - CVE-2022-23806
#   1.17.6-r0:
#     - CVE-2021-44716
#     - CVE-2021-44717
#   1.17.3-r0:
#     - CVE-2021-41772
#     - CVE-2021-41771
#   1.17.2-r0:
#     - CVE-2021-38297
#   1.17.1-r0:
#     - CVE-2021-39293
#   1.17-r0:
#     - CVE-2020-29509
#     - CVE-2020-29511
#     - CVE-2021-29923
#   1.16.7-r0:
#     - CVE-2021-36221
#   1.16.6-r0:
#     - CVE-2021-34558
#   1.16.5-r0:
#     - CVE-2021-33195
#     - CVE-2021-33196
#     - CVE-2021-33197
#     - CVE-2021-33198
#   1.16.4-r0:
#     - CVE-2021-31525
#   1.16.2-r0:
#     - CVE-2021-27918
#     - CVE-2021-27919
#   1.15.7-r0:
#     - CVE-2021-3114
#     - CVE-2021-3115
#   1.15.5-r0:
#     - CVE-2020-28362
#     - CVE-2020-28366
#     - CVE-2020-28367
#   1.15.2-r0:
#     - CVE-2020-24553
#   1.15-r0:
#     - CVE-2020-16845
#   1.14.5-r0:
#     - CVE-2020-15586
#   1.13.7-r0:
#     - CVE-2020-7919
#   1.13.2-r0:
#     - CVE-2019-17596
#   1.13.1-r0:
#     - CVE-2019-16276
#   1.12.8-r0:
#     - CVE-2019-9512
#     - CVE-2019-9514
#     - CVE-2019-14809
#   1.11.5-r0:
#     - CVE-2019-6486
#   1.9.4-r0:
#     - CVE-2018-6574

if [ "$CBUILD" = "$CTARGET" ]; then
	makedepends="go-bootstrap $makedepends"
	provides="go-bootstrap=$pkgver-r$pkgrel"
else
	pkgname="go-bootstrap"
	makedepends="go $makedepends"
	# Go expect host linker instead of the cross-compiler
	export CC_FOR_TARGET="$CC"
	export CC="${HOSTLD:-gcc}"
	export CXX="${HOSTLD:-g++}"
	export LD="${HOSTLD:-ld}"
fi

case "$CTARGET_ARCH" in
aarch64) export GOARCH="arm64" ;;
armel)   export GOARCH="arm" GOARM=5 ;;
armhf)   export GOARCH="arm" GOARM=6 ;;
armv7)   export GOARCH="arm" GOARM=7 ;;
s390x)   export GOARCH="s390x" ;;
x86)     export GOARCH="386" ;;
x86_64)  export GOARCH="amd64" ;;
ppc64)   export GOARCH="ppc64" ;;
ppc64le) export GOARCH="ppc64le" ;;
riscv64) export GOARCH="riscv64" ;;
loongarch64) export GOARCH="loong64" ;;
*)       export GOARCH="unsupported";;
esac

# compile go itself as a PIE on supported arches.
case "$CARCH" in
x86_64|s390x|aarch64) export GO_LDFLAGS=-buildmode=pie ;;
esac

prepare() {
	default_prepare

	# The GitLab CI builds aports in a container. On ppc64le, ASLR
	# needs to be disabled in order to have the following test case
	# pass. However, the container doesn't have permissions to
	# disable ASLR, hence we just disable this test for now.
	#
	# See https://github.com/golang/go/issues/49066#issuecomment-1252948861
	if [ "$CTARGET_ARCH" = "ppc64le" ]; then
		rm test/fixedbugs/bug513.go
	fi
}

builddir="$srcdir"/go
build() {
	cd "$builddir/src"

	export GOOS="linux"
	export GOPATH="$srcdir"
	export GOROOT="$builddir"
	export GOBIN="$GOROOT"/bin
	export GOROOT_FINAL=/usr/lib/go

	local p; for p in /usr/lib/go-bootstrap /usr/lib/go-linux-$GOARCH-bootstrap /usr/lib/go; do
		if [ -d "$p" ]; then
			export GOROOT_BOOTSTRAP="$p"
			break
		fi
	done

	./make.bash -v

	# copied from bootstrap.bash to fixup cross-built bootstrap go
	if [ "$CBUILD" != "$CTARGET" ]; then
		local gohostos="$(../bin/go env GOHOSTOS)"
		local gohostarch="$(../bin/go env GOHOSTARCH)"
		mv ../bin/*_*/* ../bin
		rmdir ../bin/*_*
		rm -rf "../pkg/${gohostos}_$gohostarch"* "../pkg/tool/${gohostos}_$gohostarch"*
		rm -rf ../pkg/bootstrap ../pkg/obj
	fi
}

check() {
	cd "$builddir/src"
	if [ "$CTARGET_ARCH" = "armhf" ]; then
		export GO_TEST_TIMEOUT_SCALE=2
	fi

	# Test suite does not pass with ccache, thus remove it form $PATH.
	export PATH="$(echo "$PATH" | sed 's|/usr/lib/ccache/bin:||g')"

	PATH="$builddir/bin:$PATH" ./run.bash -no-rebuild
}

package() {
	mkdir -p "$pkgdir"/usr/bin "$pkgdir"/usr/lib/go/bin "$pkgdir"/usr/share/doc/go

	for binary in go gofmt; do
		install -Dm755 bin/"$binary" "$pkgdir"/usr/lib/go/bin/"$binary"
		ln -s /usr/lib/go/bin/"$binary" "$pkgdir"/usr/bin/
	done

	cp -a misc pkg src lib "$pkgdir"/usr/lib/go
	cp -r doc "$pkgdir"/usr/share/doc/go
	rm -rf "$pkgdir"/usr/lib/go/pkg/obj
	rm -rf "$pkgdir"/usr/lib/go/pkg/bootstrap
	rm -f  "$pkgdir"/usr/lib/go/pkg/tool/*/api

	# Install go.env, see https://go.dev/doc/toolchain#GOTOOLCHAIN.
	install -Dm644 "$builddir"/go.env "$pkgdir"/usr/lib/go/go.env
	install -Dm644 VERSION "$pkgdir/usr/lib/go/VERSION"

	# Remove tests from /usr/lib/go/src to reduce package size,
	# these should not be needed at run-time by any program.
	find "$pkgdir"/usr/lib/go/src \( -type f -a -name "*_test.go" \) \
		-exec rm -rf \{\} \+
	find "$pkgdir"/usr/lib/go/src \( -type d -a -name "testdata" \) \
		-exec rm -rf \{\} \+

	# Remove rc (plan 9) and bat scripts (windows) to reduce package
	# size further. The bash scripts are actually needed at run-time.
	#
	# See: https://gitlab.alpinelinux.org/alpine/aports/issues/11091
	find "$pkgdir"/usr/lib/go/src -type f -a \( -name "*.rc" -o -name "*.bat" \) \
		-exec rm -rf \{\} \+
}

sha512sums="
f2491d2b5d4ef2dd86ca7820503a2534cd1860822049dc01a6cb40b556a0812cfc4196fa83173765816060253ac949f4165b0fb4b2bed5d45e30d03bb69e434d  go1.22.2.src.tar.gz
34dbe032c5f08dd8a7aad36fc4d54e746a876fdadc25466888a2f04f5a9d53103190ebd68d3cf978d3a041976185e30ffb25611fb577d031c159810d2d4c7c41  0001-cmd-link-prefer-musl-s-over-glibc-s-ld.so-during-dyn.patch
89ab4fbb2901d3907e9661dce877ee45b4a4ee07b964dca341235420ee08764f49aed5da1596d28c649e349af19ea49c03ab6f2c2ad7588a4cf950a619c10e9b  0002-misc-cgo-test-enable-setgid-tests-on-Alpine-Linux-ag.patch
8061e4ef9d7dd31804bd8d98c95afa5dd82567940b3436f45f874e0419e324b49713d8a814df04617e575ec3c6155199c4661352ea8aef63ead81ca3020f3dc4  0003-go.env-Don-t-switch-Go-toolchain-version-as-directed.patch
a69a836364be8857f153b606769a155d89fdbbac39af6fbbc3cd923e95a15805f7497d6fdce6176a18a9ccee867946a03b809d8a4a32765dd20086115f179929  0004-cmd-dist-cmd-go-define-assembly-macros-handle-GOARM-.patch
33ecefca77fa0af52a3b2b66a76977af27a88c8dddb89f03e0a5ae6794b9aac53a62d7be33020b49022e9a89d4cdfa383038ee10e160eb94548b2430bf3cfb5e  tests-fchmodat-not-supported.patch
"
